UV Index in Sempol, Indonesia

Last updated: July 2, 2025

As residents of Sempol, Indonesia, it's crucial to stay informed about the UV Index—a key indicator of sun exposure and its associated health risks. Understanding UV levels is vital not only for preventing sunburn but also for maintaining overall skin health. With a tropical Aw climate that sees significant UV exposure, particularly around midday when levels peak at 12, being aware of these fluctuations can help you plan outdoor activities safely. By checking the UV Index frequently, you can protect yourself and your loved ones from the harmful effects of UV radiation while enjoying the beautiful Indonesian sun.

Hourly UV Index in Sempol

As the day begins, the UV Index starts at a mild 2 at 7:00 AM, but it quickly escalates as the sun rises. By 10:00 AM, it peaks at a striking 10, indicating a high risk of harm from unprotected sun exposure. The intensity continues to dominate until 12:00 PM, when it slightly dips to 11 but remains a major concern. As afternoon approaches, the UV Index gradually descends from 9 at 1:00 PM to 6 by 2:00 PM, before more noticeable declines occur, settling at 3 by 3:00 PM. The evening brings a steady reduction, with readings plummeting to 1 by 4:00 PM and 5:00 PM, and finally dropping to zero after 6:00 PM. It's a vivid reminder that during peak hours, taking precautions against sun exposure is essential for skin health!

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
Time	UVI	Category	Time to Burn
07:00	2	low	45 min
08:00	4	moderate	30 min
09:00	7	high	25 min
10:00	10	very high	15 min
11:00	12	extreme	10 min
12:00	11	extreme	10 min
13:00	9	very high	15 min
14:00	6	high	25 min
15:00	3	moderate	30 min
16:00	1	low	45 min
17:00	1	low	45 min
18:00	0	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Sempol

Throughout the year, ultraviolet (UV) radiation levels remain extremely high, with a UV Index consistently above 10 from January through November. The most critical months for UV exposure are February and October, where the UV Index peaks at 16, indicating a very high risk of harm from unprotected sun exposure, with a burn time of just 10 minutes. Residents and visitors alike should be particularly vigilant during these months, ensuring they wear broad-spectrum sunscreen, protective clothing, and seek shade whenever possible. Maintaining a proactive approach to sun safety is crucial year-round, as even the seemingly milder months still carry significant risk.

Monthly Maximum UV Index for Sempol, Indonesia

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Sempol. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.

Data source: Statistical UV Index data for Sempol, based on information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

Compare Sempol UV Index with Other Indonesia Cities

The table above highlights how UV exposure in Sempol compares to other major locations across Indonesia. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.

Sempol's solar exposure compared to other cities in Indonesia. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Surabaya UVI	13	15	14	12	12	10	11	12	14	13	13	13
Bekasi UVI	14	16	16	14	11	10	10	11	13	15	14	13
Jakarta UVI	14	16	16	14	11	10	10	11	13	15	14	13
Medan UVI	13	15	15	15	14	12	12	13	14	14	13	12
Bandung UVI	15	16	16	15	12	11	11	12	14	15	15	14
Sempol	14	16	15	14	12	11	12	14	15	16	14	14